Home / 17,014.32-25,520.40-5,327.28

Finding the Fourth Proportional to 17,014.32, 25,520.40 and 5,327.28

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Solution

The fourth proportional to 17,014.32, 25,520.40 and 5,327.28 is: 7,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,014.32 : 25,520.40 = 5,327.28 : x
  2. Step 2: Convert to fraction form
    17,014.32/25,520.40 = 5,327.28/x
  3. Step 3: Cross multiply
    17,014.32x = 25,520.40 × 5,327.28
  4. Step 4: Simplify right side
    17,014.32x = 135,954,316.51
  5. Step 5: Solve for x
    x = 135,954,316.51/17,014.32
  6. Step 6: Final answer
    x = 7,990.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.